Pematangsiantar, Kamis, 13 Agustus, 09:31
Berawan. Terasa seperti 26°C. Maksimum 26°C, minimum 22°C.
Pada September di Pematangsiantar suhu rata-rata siang +27.4° dan malam +20.4°. Curah hujan sebulan sekitar 358 mm (29 hari hujan). O recorde de calor é +30.7° (2013) e o de frio, +18.2° (1971). Rata-rata dihitung dari 60 tahun terakhir.
| Tanggal | Siang | Malam | Peluang hujan | Rekor maks. | Rekor min. |
|---|---|---|---|---|---|
| 1 | +27.6° | +20.4° | 100% | +30.5° (2018) | +18.7° (1971) |
| 2 | +27.5° | +20.3° | 95% | +29.5° (2024) | +18.5° (1975) |
| 3 | +27.4° | +20.4° | 97% | +29.7° (1977) | +18.8° (2003) |
| 4 | +27.5° | +20.4° | 97% | +29.4° (2009) | +18.6° (1967) |
| 5 | +27.6° | +20.3° | 93% | +29.5° (2019) | +18.2° (1971) |
| 6 | +27.5° | +20.5° | 98% | +29.5° (2022) | +18.8° (1961) |
| 7 | +27.4° | +20.4° | 93% | +30.3° (2005) | +18.9° (1961) |
| 8 | +27.5° | +20.2° | 100% | +29.8° (2025) | +19° (2022) |
| 9 | +27.5° | +20.3° | 97% | +30.4° (1977) | +18.4° (1961) |
| 10 | +27.3° | +20.3° | 97% | +30.1° (2005) | +18.8° (1962) |
| 11 | +27.5° | +20.3° | 95% | +29.8° (2019) | +18.6° (1971) |
| 12 | +27.5° | +20.4° | 98% | +29.4° (2023) | +19.1° (1960) |
| 13 | +27.5° | +20.4° | 100% | +29.6° (2023) | +19° (1975) |
| 14 | +27.4° | +20.4° | 95% | +30.6° (2023) | +19.3° (1960) |
| 15 | +27.3° | +20.4° | 98% | +30.3° (1964) | +18.6° (1960) |
| 16 | +27.4° | +20.4° | 95% | +29.3° (1998) | +19.2° (1960) |
| 17 | +27.3° | +20.5° | 98% | +29.8° (2017) | +19° (1966) |
| 18 | +27.2° | +20.3° | 97% | +30.3° (2024) | +18.6° (1974) |
| 19 | +27.4° | +20.4° | 97% | +29.3° (1964) | +18.8° (1970) |
| 20 | +27.5° | +20.4° | 97% | +30.7° (2013) | +18.6° (1966) |
| 21 | +27.4° | +20.6° | 95% | +30.4° (1979) | +19.4° (1964) |
| 22 | +27.3° | +20.4° | 95% | +30.7° (2013) | +18.5° (1962) |
| 23 | +27.4° | +20.4° | 97% | +29.9° (2025) | +18.8° (1961) |
| 24 | +27.4° | +20.3° | 100% | +29.5° (2020) | +19.2° (1967) |
| 25 | +27.3° | +20.4° | 95% | +30.1° (2009) | +18.8° (1969) |
| 26 | +27.3° | +20.4° | 98% | +30.2° (1979) | +18.6° (1969) |
| 27 | +27.3° | +20.4° | 93% | +29.2° (2009) | +18.6° (1972) |
| 28 | +27.6° | +20.4° | 97% | +29.9° (2023) | +18.7° (1965) |
| 29 | +27.2° | +20.5° | 97% | +29.8° (1983) | +18.8° (1961) |
| 30 | +27.5° | +20.5° | 95% | +30.5° (2023) | +18.8° (1982) |